Doctor profile · Federal record
Dr. Alexander Nguyen, MD
Gastroenterology Physician (CMS: Gastroenterology) · Torrance, CA
- NPI 1427476233
- Accepts Medicare
- 12 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2780 Skypark Dr Ste 125
Torrance, CA 905057528
(310) 530-8013 - Mailing address
-
5767 W Century Blvd Suite 400
Los Angeles, CA 900955631
Credentials & registration
- NPI registered
- March 2014 — 12 yrs on file
- Profile last updated
- May 1, 2025
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- California #A138402
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427476233. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
965
Distinct HCPCS
10
Medicare allowed
$105,579
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
88305 |
Pathology examination of tissue using a microscope, intermediate complexity | 172 | 60 | $40 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 138 | 101 | $98 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 133 | 132 | $83 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 95 | 95 | $122 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 90 | 90 | $260 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 84 | 50 | $51 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 74 | 74 | $134 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 40 | 37 | $137 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 30 | 21 | $83 | |
74328 |
Review by radiologist of image from tube placement into bile duct using an endoscope | 18 | 14 | $24 |
In context: peer comparison
Among 19 peers in Torrance Gastroenterology Physician, average services per provider: 105. This provider delivers 9.2× the peer median.Open Payments
Industry payments received
All-time total
$1,012
Transactions
40
Manufacturers
14
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 16 | $212.57 | |
| Gilead Sciences, INC. | 4 | $177.79 | |
| Boston Scientific Corporation | 1 | $149.36 | |
| Janssen Biotech, INC. | 4 | $124.47 | |
| Janssen Scientific Affairs, LLC | 1 | $73.47 | |
| Madrigal Pharmaceuticals | 3 | $67.37 | |
| Ironwood Pharmaceuticals, INC | 3 | $60.96 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 2 | $36.45 | |
| Celltrion USA INC. | 1 | $25.37 | |
| Ipsen Biopharmaceuticals, INC | 1 | $20.00 | |
| Organon LLC | 1 | $19.49 | |
| Intra-Sana Laboratories | 1 | $16.21 | |
| Exact Sciences Corporation | 1 | $15.05 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $13.15 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
252
Patients
114
Total drug cost
$112,304
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 76 | 47 | $1,426 |
| Pantoprazole Sodium | Generic | 40 | 23 | $809 |
| Dicyclomine Hcl | Generic | 34 | 14 | $622 |
| Famotidine | Generic | 18 | 0 | $262 |
| Creon (Lipase/Protease/Amylase) | Brand | 16 | 0 | $42,332 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 15 | 15 | $235 |
| Linzess (Linaclotide) | Brand | 15 | 0 | $16,818 |
| Metronidazole | Generic | 15 | 15 | $152 |
| Furosemide | Generic | 12 | 0 | $65 |
| Zenpep (Lipase/Protease/Amylase) | Brand | 11 | 0 | $49,584 |
Frequently asked questions
What is Dr. Alexander Nguyen's medical specialty?
Dr. Alexander Nguyen practices Gastroenterology Physician in Torrance, CA.
Where does Dr. Alexander Nguyen practice?
Dr. Alexander Nguyen practices at 2780 Skypark Dr Ste 125, Torrance, CA 905057528. Office phone: 3105308013.
What is Dr. Alexander Nguyen's NPI?
Dr. Alexander Nguyen's National Provider Identifier (NPI) is 1427476233, issued by NPPES.
Does Dr. Alexander Nguyen accept Medicare assignment?
Yes. Dr. Alexander Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alexander Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Pathology examination of tissue using a microscope, intermediate complexity (HCPCS 88305); Established patient office or other outpatient visit (HCPCS 99213); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.